JP5885525B2 - テレサイドコンバーターレンズ及びそれを有する撮像装置 - Google Patents

テレサイドコンバーターレンズ及びそれを有する撮像装置 Download PDF

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Publication number
JP5885525B2
JP5885525B2 JP2012026210A JP2012026210A JP5885525B2 JP 5885525 B2 JP5885525 B2 JP 5885525B2 JP 2012026210 A JP2012026210 A JP 2012026210A JP 2012026210 A JP2012026210 A JP 2012026210A JP 5885525 B2 JP5885525 B2 JP 5885525B2
Authority
JP
Japan
Prior art keywords
lens
lens group
positive
group
teleside converter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2012026210A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013164454A (ja
JP2013164454A5 (enrdf_load_stackoverflow
Inventor
庄一 竹本
庄一 竹本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2012026210A priority Critical patent/JP5885525B2/ja
Priority to US13/761,296 priority patent/US8873154B2/en
Publication of JP2013164454A publication Critical patent/JP2013164454A/ja
Publication of JP2013164454A5 publication Critical patent/JP2013164454A5/ja
Application granted granted Critical
Publication of JP5885525B2 publication Critical patent/JP5885525B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/144—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
    • G02B15/1441—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive
    • G02B15/144109—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive arranged +--+
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/10—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
    • G02B15/12—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment by adding telescopic attachments
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/10—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Structure And Mechanism Of Cameras (AREA)
JP2012026210A 2012-02-09 2012-02-09 テレサイドコンバーターレンズ及びそれを有する撮像装置 Expired - Fee Related JP5885525B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012026210A JP5885525B2 (ja) 2012-02-09 2012-02-09 テレサイドコンバーターレンズ及びそれを有する撮像装置
US13/761,296 US8873154B2 (en) 2012-02-09 2013-02-07 Tele-side converter lens and image pickup apparatus including the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012026210A JP5885525B2 (ja) 2012-02-09 2012-02-09 テレサイドコンバーターレンズ及びそれを有する撮像装置

Publications (3)

Publication Number Publication Date
JP2013164454A JP2013164454A (ja) 2013-08-22
JP2013164454A5 JP2013164454A5 (enrdf_load_stackoverflow) 2015-03-26
JP5885525B2 true JP5885525B2 (ja) 2016-03-15

Family

ID=48945291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012026210A Expired - Fee Related JP5885525B2 (ja) 2012-02-09 2012-02-09 テレサイドコンバーターレンズ及びそれを有する撮像装置

Country Status (2)

Country Link
US (1) US8873154B2 (enrdf_load_stackoverflow)
JP (1) JP5885525B2 (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015108811A (ja) * 2013-10-22 2015-06-11 オリンパス株式会社 単焦点距離レンズ系及びそれを備えた撮像装置
JP6252192B2 (ja) * 2014-01-17 2017-12-27 セイコーエプソン株式会社 投射光学系及び投射型画像表示装置
JP6219189B2 (ja) 2014-02-07 2017-10-25 富士フイルム株式会社 テレコンバーターレンズおよび撮像装置
JP6145052B2 (ja) * 2014-02-17 2017-06-07 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
TW201604582A (zh) * 2014-07-29 2016-02-01 鴻海精密工業股份有限公司 影像放大方法
JP6433259B2 (ja) * 2014-11-18 2018-12-05 キヤノン株式会社 ズームレンズ、エクステンダレンズ群、および撮像装置
JP7207854B2 (ja) * 2018-02-28 2023-01-18 キヤノン株式会社 ズームレンズ及び撮像装置
JP7379017B2 (ja) * 2019-08-20 2023-11-14 キヤノン株式会社 エクステンダレンズ群、ズームレンズ、および撮像装置
JP7147098B1 (ja) 2021-03-17 2022-10-04 キヤノン株式会社 光学系、レンズ装置、撮像装置
JP7146987B1 (ja) * 2021-03-17 2022-10-04 キヤノン株式会社 光学系、レンズ装置、撮像装置
JP7147097B1 (ja) 2021-03-17 2022-10-04 キヤノン株式会社 光学系、レンズ装置、撮像装置
JP7147099B1 (ja) * 2021-03-17 2022-10-04 キヤノン株式会社 光学系、レンズ装置、撮像装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5532046A (en) 1978-08-28 1980-03-06 Canon Inc Teleconverter
EP1115020A3 (en) * 1999-12-15 2004-01-28 Nikon Corporation Front tele-converter, and front tele-converter having vibration-reduction function
JP4139125B2 (ja) * 2002-04-18 2008-08-27 オリンパス株式会社 テレコンバージョンレンズ
JP4650715B2 (ja) * 2002-12-24 2011-03-16 株式会社ニコン フロントテレコンバーターレンズ
JP5013663B2 (ja) * 2004-05-21 2012-08-29 キヤノン株式会社 フロントコンバータレンズ
JP5137715B2 (ja) * 2008-07-02 2013-02-06 キヤノン株式会社 テレコンバータレンズ及びそれを有する撮像装置
KR101853807B1 (ko) * 2010-06-01 2018-05-02 삼성전자주식회사 텔레 컨버터 렌즈계 및 이를 구비한 촬영 장치

Also Published As

Publication number Publication date
US8873154B2 (en) 2014-10-28
US20130208173A1 (en) 2013-08-15
JP2013164454A (ja) 2013-08-22

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